CN204357504U - Partition board of steam turbine - Google Patents
Partition board of steam turbine Download PDFInfo
- Publication number
- CN204357504U CN204357504U CN201420799722.3U CN201420799722U CN204357504U CN 204357504 U CN204357504 U CN 204357504U CN 201420799722 U CN201420799722 U CN 201420799722U CN 204357504 U CN204357504 U CN 204357504U
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- China
- Prior art keywords
- clapboard
- outer rim
- conduit
- nozzle vane
- contiguous block
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Abstract
The utility model relates to steam turbine technology field, is specifically related to a kind of partition board of steam turbine.Its clapboard body comprises and is partition body that is circular and that arrange with one heart and dividing plate outer rim, partition body and dividing plate is outer is intermarginally provided with nozzle vane; Partition body comprises upper clapboard body and lower clapboard body, and dividing plate outer rim comprises upper clapboard outer rim and lower clapboard outer rim; Upper clapboard body, upper clapboard outer rim and at least one nozzle vane are configured to upper clapboard jointly, and lower clapboard body, lower clapboard outer rim and at least one nozzle vane are configured to lower clapboard jointly; Partition body outer wall is provided with one week interior conduit, and dividing plate outer rim inwall is provided with one week outer conduit, and the runner of conduit and outer conduit in nozzle vane is provided with and connects, lower clapboard outer rim is provided with the osculum be communicated with outer conduit.The utility model can preferably remove the moisture content condensed in dividing plate.
Description
Technical field
The present invention relates to steam turbine technology field, specifically, relate to a kind of partition board of steam turbine.
Background technique
Steam turbine, as topmost heating power prime mover, occupies extremely important status in the fields such as the energy, electric power and energetics.Along with greatly developing of Large Copacity, high parameter thermal power steam turbine and nuclear steam turbine etc., it is day by day serious that turbine for wet steam problem becomes.
Partition board of steam turbine is with the stator blade that fixes (nozzle) and stop inter-stage gas leakage, and steam turbine interior separation is become several pressure stages by it, makes steam change potential energy into kinetic energy by static cascade, and makes steam flow flow into movable vane by the direction of regulation.The blade of steam turbine often works in wet-steam region, and along with the expansion of steam, its humidity increases, and just has water droplet and produces gradually.The motion of these water droplets will rely on main steam to drive, and needs the part energy consuming main steam; Droplets impact its movable vane leading edge back of the body arc, stops movable vane motion, adds moving blade loss; Simultaneously because water droplet constantly clashes into movable vane, blade surface is corroded, profile loss increases; The movement velocity of steam and water droplet not etc. also can not make to produce in vapor stream whirlpool, destroys the molded line shape of blade, stage efficiency is declined.In a word, the water droplet in wet vapor not only reduces stage efficiency, and has corroded moving vane, shortens the operating life of blade, adds the potential safety hazard of unit operation.
Summary of the invention
Content of the present invention is to provide a kind of partition board of steam turbine, and it can overcome certain or some defect of prior art.
According to partition board of steam turbine of the present invention, it comprises clapboard body, and clapboard body comprises and is partition body that is circular and that arrange with one heart and dividing plate outer rim, partition body and dividing plate is outer is intermarginally provided with nozzle vane; Partition body comprises upper clapboard body and lower clapboard body, and dividing plate outer rim comprises upper clapboard outer rim and lower clapboard outer rim; Upper clapboard body, upper clapboard outer rim and at least one nozzle vane are configured to upper clapboard jointly, and lower clapboard body, lower clapboard outer rim and at least one nozzle vane are configured to lower clapboard jointly; Partition body outer wall is provided with one week interior conduit, and dividing plate outer rim inwall is provided with one week outer conduit, and the runner of conduit and outer conduit in nozzle vane is provided with and connects, lower clapboard outer rim is provided with the osculum be communicated with outer conduit.
Clapboard body of the present invention comprises upper clapboard and lower clapboard, makes the present invention be convenient to manufacture be easy to assembling by split type structure.Partition body outer wall of the present invention is provided with one week interior conduit, dividing plate outer rim inwall is provided with one week outer conduit, the runner of conduit and outer conduit in nozzle vane is provided with and connects, lower clapboard outer rim is provided with the osculum be communicated with outer conduit, this structure makes, when steam is by clapboard body, the globule condensed on nozzle vane along conduit in runner inflow or outer conduit and finally from water outlet discharge, thus can be avoided because steam moisture is excessive to the infringement that steam turbine brings effectively.
As preferably, upper clapboard outer rim two ends to be configured with on first contiguous block on contiguous block and second respectively, and lower clapboard outer rim two ends are configured with the first lower connecting block and the second lower connecting block that coordinate with contiguous block on contiguous block on first and second respectively.
Upper clapboard outer rim two ends of the present invention to be configured with on first contiguous block on contiguous block and second respectively, accordingly, lower clapboard outer rim two ends are configured with the first lower connecting block and the second lower connecting block respectively, by contiguous block on first and the first lower connecting block coordinate and on second contiguous block and the second lower connecting block coordinate the connection that effectively can realize upper clapboard outer rim and lower clapboard outer rim.
As preferably, upper clapboard body two ends to be configured with on the 3rd contiguous block on contiguous block and the 4th respectively, and lower clapboard body two ends are configured with the 3rd lower connecting block and the 4th lower connecting block that coordinate with contiguous block on contiguous block on the 3rd and the 4th respectively.
Upper clapboard body two ends of the present invention to be configured with on the 3rd contiguous block on contiguous block and the 4th respectively, accordingly, lower clapboard body two ends are configured with the 3rd lower connecting block and the 4th lower connecting block respectively, effectively can realize the connection of upper clapboard body and lower clapboard body by the cooperation of contiguous block and the 4th lower connecting block in the cooperation and the 4th of contiguous block on the 3rd and the 3rd lower connecting block.
As preferably, the same side of upper clapboard body and lower clapboard body is configured with respectively mark blind hole and lower mark blind hole.
The same side of upper clapboard body of the present invention and lower clapboard body is configured with respectively mark blind hole and lower mark blind hole, this structure makes, and upper clapboard body of the present invention and lower clapboard body can rely on upper mark blind hole and the correct assembling of lower mark blind hole.
As preferably, osculum is positioned at the lowest part of lower clapboard outer rim.
Osculum of the present invention is positioned at the lowest part of lower clapboard outer rim, and this structure is convenient to the outflow of liquid water.
As preferably, it is fan-shaped arc shape board that nozzle vane is configured to cross section, and runner comprises is located at first flow in the middle part of the inside and outside sidewall of nozzle vane and the second runner vertically.
It is fan-shaped arc shape board that nozzle vane of the present invention is configured to cross section, this makes the air flue in clapboard body be folding shape air flue, when steam flows through air flue, due to effect of inertia, moisture content in steam condenses in the middle part of nozzle vane in steam break-in place, and then flows out through first flow and the second runner.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiment 1 central diaphragm body;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is the schematic diagram of nozzle vane in embodiment 1.
Embodiment
For understanding content of the present invention further, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.Should be understood that, embodiment makes an explanation to the present invention and and non-limiting.
Embodiment 1
Present embodiments providing a kind of partition board of steam turbine, as shown in Figure 1, 2, is the schematic diagram of the present embodiment central diaphragm body 100.Wherein, clapboard body 100 comprises and is partition body that is circular and that arrange with one heart and dividing plate outer rim, partition body and dividing plate is outer is intermarginally provided with nozzle vane 130; Partition body comprises upper clapboard body 111 and lower clapboard body 121, and dividing plate outer rim comprises upper clapboard outer rim 112 and lower clapboard outer rim 122; Upper clapboard body 111, upper clapboard outer rim 112 and at least one nozzle vane 130 are configured to upper clapboard 110 jointly, and lower clapboard body 121, lower clapboard outer rim 122 and at least one nozzle vane 130 are configured to lower clapboard 120 jointly; Partition body outer wall is provided with one week interior conduit, and dividing plate outer rim inwall is provided with one week outer conduit, and the runner 210 of conduit and outer conduit in nozzle vane 130 is provided with and connects, lower clapboard outer rim 122 is provided with the osculum 128 be communicated with outer conduit.Outer conduit comprises the first outer conduit 221 and the second outer conduit 222 be located at respectively in upper clapboard outer rim 112 and lower clapboard outer rim 122, interior conduit comprise be located at respectively on upper clapboard body 111 and lower clapboard body 121 first in conduit 232 in conduit 231 and second.
Upper clapboard outer rim 112 two ends to be configured with on first contiguous block 114 on contiguous block 113 and second respectively, and lower clapboard outer rim 122 two ends are configured with the first lower connecting block 123 and the second lower connecting block 124 coordinated with contiguous block 114 on contiguous block on first 113 and second respectively.Upper clapboard body 111 two ends to be configured with on the 3rd contiguous block 116 on contiguous block 115 and the 4th respectively, and lower clapboard body 121 two ends are configured with the 3rd lower connecting block 125 and the 4th lower connecting block 126 that coordinate with contiguous block 116 on contiguous block 115 on the 3rd and the 4th respectively.Upper clapboard body 111 and the same side of lower clapboard body 121 are configured with mark blind hole 117 and lower mark blind hole 127 respectively.Osculum 128 is positioned at the lowest part of lower clapboard outer rim 122.
As shown in Figure 3, be the schematic diagram of nozzle vane in the present embodiment 130.Wherein, it is fan-shaped arc shape board that nozzle vane 130 is configured to cross section, and runner 210 comprises is located at first flow 320 in the middle part of the inside and outside sidewall of nozzle vane 130 and the second runner 310 vertically.
Schematically above be described the present invention and mode of execution thereof, this description does not have restricted, and also just one of the embodiments of the present invention shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the invention aim, designing the mode of structure similar to this technological scheme and embodiment without creationary, all should protection scope of the present invention be belonged to.
Claims (6)
1. partition board of steam turbine, it is characterized in that: comprise clapboard body (100), clapboard body (100) comprises and is partition body that is circular and that arrange with one heart and dividing plate outer rim, partition body and dividing plate is outer is intermarginally provided with nozzle vane (130); Partition body comprises upper clapboard body (111) and lower clapboard body (121), and dividing plate outer rim comprises upper clapboard outer rim (112) and lower clapboard outer rim (122); Upper clapboard body (111), upper clapboard outer rim (112) and at least one nozzle vane (130) are configured to upper clapboard (110) jointly, and lower clapboard body (121), lower clapboard outer rim (122) and at least one nozzle vane (130) are configured to lower clapboard (120) jointly; Partition body outer wall is provided with one week interior conduit, dividing plate outer rim inwall is provided with one week outer conduit, the runner (210) of conduit and outer conduit in nozzle vane (130) is provided with and connects, lower clapboard outer rim (122) is provided with the osculum (128) be communicated with outer conduit.
2. partition board of steam turbine according to claim 1, it is characterized in that: upper clapboard outer rim (112) two ends are configured with contiguous block (114) on contiguous block on first (113) and second respectively, lower clapboard outer rim (122) two ends are configured with the first lower connecting block (123) and the second lower connecting block (124) that coordinate with contiguous block (114) on contiguous block on first (113) and second respectively.
3. partition board of steam turbine according to claim 2, it is characterized in that: upper clapboard body (111) two ends to be configured with on the 3rd contiguous block (116) on contiguous block (115) and the 4th respectively, and lower clapboard body (121) two ends are configured with the 3rd lower connecting block (125) and the 4th lower connecting block (126) that coordinate with contiguous block (116) on contiguous block (115) and the 4th on the 3rd respectively.
4. partition board of steam turbine according to claim 1, is characterized in that: upper clapboard body (111) and the same side of lower clapboard body (121) are configured with mark blind hole (117) and lower mark blind hole (127) respectively.
5. partition board of steam turbine according to claim 1, is characterized in that: osculum (128) is positioned at the lowest part of lower clapboard outer rim (122).
6. partition board of steam turbine according to claim 1, it is characterized in that: it is fan-shaped arc shape board that nozzle vane (130) is configured to cross section, runner (210) comprises is located at first flow (320) in the middle part of nozzle vane (130) inside and outside sidewall and the second runner (310) vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799722.3U CN204357504U (en) | 2014-12-17 | 2014-12-17 | Partition board of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420799722.3U CN204357504U (en) | 2014-12-17 | 2014-12-17 | Partition board of steam turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204357504U true CN204357504U (en) | 2015-05-27 |
Family
ID=53258980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420799722.3U Expired - Fee Related CN204357504U (en) | 2014-12-17 | 2014-12-17 | Partition board of steam turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204357504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294214A (en) * | 2021-06-24 | 2021-08-24 | 上海万仞动力技术有限公司 | Impact steam turbine equipped with assembled partition plates |
-
2014
- 2014-12-17 CN CN201420799722.3U patent/CN204357504U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113294214A (en) * | 2021-06-24 | 2021-08-24 | 上海万仞动力技术有限公司 | Impact steam turbine equipped with assembled partition plates |
| CN113294214B (en) * | 2021-06-24 | 2022-07-22 | 上海万仞动力技术有限公司 | Impulse turbine equipped with split joint partition plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150527 Termination date: 20171217 |